Home / 72,396-149,436

Finding the Third Proportional to 72,396 and 149,436

Calculator

Solution

The third proportional to 72,396 and 149,436 is: 308,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,396 : 149,436 = 149,436 : x
  2. Step 2: Convert to fraction form
    72,396/149,436 = 149,436/x
  3. Step 3: Cross multiply
    72,396x = 149,436 × 149,436
  4. Step 4: Simplify right side
    72,396x = 22,331,118,096
  5. Step 5: Solve for x
    x = 22,331,118,096/72,396
  6. Step 6: Final answer
    x = 308,457.90

Related Problems

Find third proportional to 36,198 and 74,718
Half scale
Find third proportional to 144,792 and 298,872
Double scale
Find third proportional to 72,398 and 149,440
Similar ratio
Find third proportional to 108,594 and 224,154
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.